Finally - a pH instrument- plus more - designed for field use! The handheld YSI 63 measures pH, conductivity, salinity and temperature with a single probe to depths up to 100 feet!

The replaceable, rugged pH electrode has a one year warranty. Tough, watertight case withstands the rigors of field work. Built-in storage chamber protects the probe when not in use. A bright, backlit display is easy to read. The YSI 63 pH instrument has memory for up to 50 readings.